Home
Class 12
PHYSICS
A particle is thrown with escape velocit...

A particle is thrown with escape velocity `v_(e)` from the surface of earth. Calculate its velocity at height 3 R :-

A

= 9.25 km/s

B

= 5.6 km/s

C

= 11.2 km/s

D

= 4.3 km/s

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • GRAVITATION

    MOTION|Exercise Exercise - 4 Section - B Previous Years Problems|15 Videos

  • GRAVITATION

    MOTION|Exercise Exercise - 3 Assertion & Reasoning | NEET|20 Videos

  • GEOMETRICAL OPTICS

    MOTION|Exercise Exercise - 4 | Level-II|55 Videos

  • HEAT - 1

    MOTION|Exercise EXERCISE -4 (Level - II) Previous Year | JEE Advanced|22 Videos
MOTION-GRAVITATION-Exercise - 4 Section - A Previous Years Problems
  1. A particle of mass M is situated at the centre of a spherical shell of...

    Text Solution

    |

  2. The dependence of acceleration due to gravity g on the distance r from...

    Text Solution

    |

  3. The additional kinetic energy to be provided to a satellite of mass m ...

    Text Solution

    |

  4. A plenet moving along an elliptical orbit is closest to the sun at a d...

    Text Solution

    |

  5. A spherical planet far out in space has a mass M(0) and diameter D(0)....

    Text Solution

    |

  6. A geostationary satellite is orbiting the earth at a height of 5R abov...

    Text Solution

    |

  7. The height a which the weight of a body becomes 1//16th its weight on ...

    Text Solution

    |

  8. Which one of the following plots represents the variation of the gravi...

    Text Solution

    |

  9. If v(e) is escape velocity and v(0), is orbital velocity of satellite ...

    Text Solution

    |

  10. A particle is thrown with escape velocity v(e) from the surface of ear...

    Text Solution

    |

  11. A black hole is an object whose gravitational field is so strong that ...

    Text Solution

    |

  12. Dependence of intensity of gravitational field (E) of earth with dista...

    Text Solution

    |

  13. Kepler's third law states that square of period revolution (T) of a pl...

    Text Solution

    |

  14. A satellite S is moving in an elliptical orbit around the earth. The m...

    Text Solution

    |

  15. A remote-sensing satellite of earth revolves in a circular orbit at a ...

    Text Solution

    |

  16. Find the velocity of a satellite at height 80 km from earth. If the ra...

    Text Solution

    |

  17. The acceleration due to gravity at a height 1km above the earth is the...

    Text Solution

    |

  18. Two astronauts are floating in gravitational free space after having l...

    Text Solution

    |

  19. The kinetic energies of a planet in an elliptical orbit about the Sun,...

    Text Solution

    |

  20. If the mass of the sun were ten times smaller and the universal gravit...

    Text Solution

    |